Yamaha USB audio driver Changelog
What's new in Yamaha USB audio driver 1.1.1
Feb 17, 2014- Now supports OS X 10.9.
New in Yamaha USB audio driver 1.1.0-2 (Jul 25, 2013)
- Yamaha USB Audio Driver has been confirmed to work properly on Mac OS X 10.8
- The installer now supports Gatekeeper.
- An uninstaller function is included. For details about using it, refer to the included Installation Guide.